Software Engineer (C++, Linux, bash scripting) - Active Secret clearance

Responsibilities for this Position

Software Engineer (C++, Linux, bash scripting) - Active Secret clearance

ID: 2026-74176
US-VA-Manassas
Required Clearance: Secret
Posted Date: 8/10/2026
Category: Engineering-Software
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.

Basic Qualifications

Bachelor's degree in Software Engineering, or related Science, Technology, Engineering or Mathematics field, plus a minimum of 2 years of relevant experience; or Master's degree, plus 6 months relevant experience.

CLEARANCE REQUIREMENTS: Department of Defense active Secret security clearance is required at time of hire . Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Candidate must be local to the area and able to work onsite.

Responsibilities for this Position

At General Dynamics Mission Systems, we build advanced technologies that keep our nation safe and our warfighters prepared. Our engineers tackle some of the most complex and consequential challenges in defense, delivering solutions that redefine innovation and make a real impact on national security. Now, we're looking for talented Software Engineers to be part of something extraordinary.

The SLCM-N program is a brand-new capability being developed to strengthen the United States Navy's strategic deterrence mission. This is a rare opportunity to get in on the ground floor of a high-impact program and help shape its future from day one.

You'll work alongside a close-knit, mission-driven team to design, develop, and test software for a system that truly matters. If you want your work to make a real difference for national security, this is where you belong.

Key Responsibilities:

• Contribute to architectural standards, technical roadmaps, and design decisions for networking and distributed systems
• Implement and optimize networking solutions for mission-critical systems
• Contribute to software development, testing methodologies, and system integration practices
• Contribute to resolution of highly complex software and networking issues with significant system-wide impact
• Collaborate on complex software integration and issue resolution
• Participate in technical reviews and drive continuous improvement of software development practices
• Support program reviews, customer engagements, and technical planning activities

What Sets You Apart:

• Very solid working knowledge of software engineering concepts, principles, and theories.
• Very solid proficiency in coding, testing, integrating, and documenting software solutions.
• Ability to follow standard practices and procedures in analyzing situations or data.
• Very solid collaboration skills with project leaders and other professionals.
• Competence in research, design, development, and testing of software and tools.
• Application of principles and techniques of computer science, engineering, and mathematical analysis.
• Very solid written and verbal communications skills.
• Very solid working knowledge of Microsoft Office applications.
• Identifies opportunities to apply AI for continuous improvement and innovation.

We Encourage You to Apply if You Have Any of These Preferred Skills or Experiences:

• 2+ years of software development experience; proficiency in C++ a strong plus
• Experience designing and implementing networking protocols, socket programming, and distributed communication systems
• Familiarity with Linux environments, system-level programming, and Bash scripting
• Proven experience with Agile/SAFe methodologies in large-scale development environments
• Advanced knowledge of the Qt Framework
• Strong background in containerization and orchestration technologies (Kubernetes and Docker)
• Experience with Git workflow design and branching strategies for large-scale development teams
• In-depth understanding of Submarine Warfare Federated Tactical Systems (SWFTS) architecture and integration
• Comprehensive knowledge of submarine systems, operations, and tactical mission requirements
• Experience with real-time systems, embedded programming, and performance optimization
• Active Secret security clearance

Our Commitment to You:

• An exciting career path with opportunities for continuous learning and development.
• Research oriented work, alongside award winning teams developing practical solutions for our nations security
• Flexible schedules with every other Friday off work, if desired (9/80 schedule)
• Competitive benefits, including 401k matching, flex time off, paid parental leave, healthcare benefits, health & wellness programs, employee resource and social groups, and more
• See more at gdmissionsystems.com/careers/why-work-for-us/benefits

Workplace Options:
This position is fully on-site
While on-site, you will be a part of the Progeny Mansassas, VA team

#LI-TM1

Salary Note

This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.

Combined Salary Range

USD $100,219.00 - USD $111,180.00 /Yr.

Company Overview

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

PI286369890